101211211424 has 24 divisors (see below), whose sum is σ = 210980724948. Its totient is φ = 47628805120.

The previous prime is 101211211411. The next prime is 101211211483. The reversal of 101211211424 is 424112112101.

It can be written as a sum of positive squares in 2 ways, for example, as 96236448400 + 4974763024 = 310220^2 + 70532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101211211396 and 101211211405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93024467 + ... + 93025554.

Almost surely, 2^101211211424 is an apocalyptic number.

It is an amenable number.

101211211424 is an abundant number, since it is smaller than the sum of its proper divisors (109769513524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101211211424 is a wasteful number, since it uses less digits than its factorization.

101211211424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186050048 (or 186050040 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101211211424 its reverse (424112112101), we get a palindrome (525323323525).

The spelling of 101211211424 in words is "one hundred one billion, two hundred eleven million, two hundred eleven thousand, four hundred twenty-four".